diff --git a/android/build.gradle b/android/build.gradle
index e1173a39..face0415 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -2,7 +2,7 @@ group 'net.touchcapture.qr.flutterqr'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.9.0'
+    ext.kotlin_version = '1.9.20'
     repositories {
         google()
         mavenCentral()